The problem was that the data pipe is_empty() method was not handling structural data correctly.
The is_empty() method now belongs to the MolContainer objects rather than cdp.structure, and the
object cdp.structure is not always present.
........
r18360 | bugman | 2013-02-01 17:04:27 +0100 (Fri, 01 Feb 2013) | 7 lines

The problem was that the data pipe is_empty() method was not handling structural data correctly.
The is_empty() method now belongs to the MolContainer objects rather than cdp.structure, and the
object cdp.structure is not always present.
........

The problem was that the data pipe is_empty() method was not handling structural data correctly.
The is_empty() method now belongs to the MolContainer objects rather than cdp.structure, and the
object cdp.structure is not always present.

The problem was that the data pipe is_empty() method was not handling structural data correctly.
The is_empty() method now belongs to the MolContainer objects rather than cdp.structure, and the
object cdp.structure is not always present.

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